Menu basics  15  
 
 
Global commands 
Some basic commands are recognized throughout the menu hierarchy. These commands are useful for obtaining 
online Help, navigating through menus, and for applying and saving configuration changes.  
For help on a specific command, type help. The following screen displays: 
Global Commands: [can be issued from any menu] 
help              up                print             pwd 
lines             verbose           exit              quit 
diff              apply             save              revert 
ping              traceroute        telnet            history 
pushd             popd              who 
 
The following are used to navigate the menu structure: 
    .  Print current menu 
   ..  Move up one menu level 
    /  Top menu if first, or command separator 
    !  Execute command from history 
 
The following table describes the global commands. 
Table 4  Global commands 
Command   Action 
? command or help  Provides usage information about a specific command on the current menu. When used 
without the command parameter, a summary of the global commands is displayed.
 
. or print  Displays the current menu. 
.. or up  Moves up one level in the menu structure. 
/  If placed at the beginning of a command, displays the Main Menu. Otherwise, this is used 
to separate multiple commands placed on the same line. 
lines  Sets the number of lines (n) that display on the screen at one time. The default is 24 lines. 
When used without a value, the current setting is displayed. 
diff  Shows any pending configuration changes that have not been applied. 
diff flash displays all pending configuration changes that have been applied but not 
saved to flash memory (NVRAM), as well as those that have not been applied. 
apply  Applies pending configuration changes. 
save  Saves the active configuration to backup, and saves the current configuration as active. 
save n saves the current configuration as active, without saving the active configuration 
to backup. 
revert  Removes changes that have been made, but not applied. 
revert apply removes all changes that have not been saved. 
exit or quit  Exits from the command line interface and logs out. 
ping  Verifies station-to-station connectivity across the network. The format is: 
ping <host name> | <IP address> [ (number of tries)> [ 
msec delay ]] 
• 
IP address is the hostname or IP address of the device. 
•  number of tries (optional) is the number of attempts (1-32). 
•  msec delay (optional) is the number of milliseconds between attempts. 
traceroute  Identifies the route used for station-to-station connectivity across the network. The format is: 
traceroute <host name> | <IP address> [<max-hops> [ msec 
delay ]]  
• 
IP address is the hostname or IP address of the target station. 
•  max-hops (optional) is the maximum distance to trace (1-16 devices) 
•  msec delay (optional) is the number of milliseconds to wait for the response. 
pwd  Displays the command path used to reach the current menu.